The prevalence and outcomes of frail older adults in clinical trials in multiple myeloma: A systematic review oleh Hira Mian, Arleigh McCurdy, Smith Giri, Shakira Grant, Bram Rochwerg, Erica Winks, Ashley E. Rosko, Monika Engelhardt, Charlotte Pawlyn, Gordon Cook, Graham Jackson, Sara Bringhen, Thierry Facon, Alessandra Larocca, Sonja Zweegman, Tanya M. Wildes